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Individual Calculations April 2023 |
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| Shaabani, Amin Total change: -14.20 | |   |
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| Qazvin Chess Championship - 1401 | Qazvin | IRI | 2023-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1607 | 5.00 | 7 | -0.71 | 20 | -14.20 | |
|  Siadat, Seyed Gholamreza | | | 1286 | IRI | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Salehi, Makan | | | 1350 | IRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Hematian Mahdizadeh, Salma | | | 1207 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mardali, Yousef | | | 1603 | IRI | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Alimohamadi, Armin | | | 1294 | IRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Afrooz, Mohammad Taha | | | 1249 | IRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Zahiri, Mohammad Mahdi | | | 1333 | IRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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